Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 19

Waxing Gibbous 85%

15:14

04:51

00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 OK
19 OK
20 Good
21 Good
22 Good
23 Good

Sun - Rise: 05:51, Set: 20:06, Transit: 12:59. Moon - Rise: 15:14, Set: 04:51. Civil Dark: 20:43 - 05:15. Nautical Dark: 21:29 - 04:28. Astro Dark: 22:23 - 03:34

Total Clouds (% Sky Obscured)

85
100
100
100
100
100
100
85
88
94
87
89
87
60
93
95
98
88
22
40
11
17
10
15

Low Clouds (% Sky Obscured)

100
94
100
100
93
98
98
100
100
75
71
75
81
59
82
86
93
75
28
39
4
19
14
20

Medium Clouds (% Sky Obscured)

78
43
43
49
26
29
40
44
38
22
45
32
29
25
15
16
22
4
0
18
3
0
0
0

High Clouds (% Sky Obscured)

20
14
10
48
35
3
3
5
4
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
-
-
9
8
8
9
9
7
9
9
9
9
9
9
9
9

Fog (%)

-
-
-
-
-
-
-
-
-
-
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain
None
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
72
76
50
46
39
12
1
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.6
0
0.2
0.2
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

14
14
13
12
11
12
12
13
14
16
17
16
14
17
15
15
14
14
14
13
12
10
10
10

Chance of Frost

Temperature (°C)

7
8
8
8
9
9
9
10
10
10
11
11
11
11
11
11
10
10
9
8
7
6
5
4

Feels Like (°C)

3
3
4
5
5
5
6
6
6
5
5
6
5
5
6
6
5
5
4
4
2
2
1
1

Dew Point (°C)

6
6
7
7
7
7
7
7
7
7
8
7
7
7
5
6
6
4
4
3
1
0
-1
-1

Relative Humidity (%)

92
89
91
90
90
90
86
84
81
83
81
76
72
77
68
71
73
68
68
69
66
65
66
68

Pressure (mb)

1017
1016
1016
1015
1015
1015
1015
1015
1015
1015
1014
1015
1015
1016
1017
1017
1018
1019
1020
1021
1022
1023
1023
1024

Ozone (du)

378
380
381
383
384
383
380
379
380
382
383
385
388
395
395
391
387
388
388
390
390
390
389
388

Saturday 20

Waxing Gibbous 92%

16:24

05:01

00 Good
01 Good
02 Good
03 OK
04 OK
05 Good
06 OK
07 OK
08 Good
09 OK
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 OK
20 Good
21 OK
22 OK
23 OK

Sun - Rise: 05:49, Set: 20:08, Transit: 12:58. Moon - Rise: 16:24, Set: 05:01. Civil Dark: 20:45 - 05:12. Nautical Dark: 21:32 - 04:25. Astro Dark: 22:26 - 03:30

Total Clouds (% Sky Obscured)

16
16
9
27
27
9
23
30
12
32
96
90
100
91
89
92
82
75
60
42
15
28
34
39

Low Clouds (% Sky Obscured)

21
19
5
29
28
6
22
32
4
21
94
85
100
88
86
90
76
69
55
37
21
25
41
47

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
2
2
2
2
2
2
2
2
0
0
0
3
2
10

High Clouds (% Sky Obscured)

0
0
4
3
3
4
4
4
4
13
9
8
4
6
4
4
4
0
0
0
0
12
4
8

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
3
0
0
5
9
6
0
4
1
7
1
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

10
10
10
10
10
11
11
10
12
14
14
15
13
12
12
12
12
12
11
10
7
5
4
4

Chance of Frost

Temperature (°C)

4
3
3
3
2
2
2
2
4
6
7
8
8
8
8
9
9
9
8
7
6
5
4
3

Feels Like (°C)

1
0
-0
-1
-1
-2
-2
-2
-0
1
2
2
3
3
3
5
4
4
4
3
3
3
1
1

Dew Point (°C)

-1
-0
-1
-1
-1
-1
-1
-1
0
1
1
1
2
1
1
1
1
2
3
2
2
2
1
1

Relative Humidity (%)

73
77
77
77
77
79
81
82
77
70
64
61
67
62
61
58
57
63
68
69
74
82
83
85

Pressure (mb)

1025
1025
1025
1026
1026
1027
1027
1028
1028
1029
1029
1029
1029
1030
1030
1029
1029
1029
1029
1030
1030
1030
1030
1030

Ozone (du)

386
385
383
382
381
379
375
373
372
374
375
375
376
377
377
379
379
379
377
377
377
379
383
387

Sunday 21

Waxing Gibbous 96%

17:35

05:10

00 OK
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 OK
19 Good
20 Good
21 OK
22 Good
23 OK

Sun - Rise: 05:47, Set: 20:09, Transit: 12:58. Moon - Rise: 17:35, Set: 05:10. Civil Dark: 20:47 - 05:10. Nautical Dark: 21:34 - 04:23. Astro Dark: 22:29 - 03:27

Total Clouds (% Sky Obscured)

37
50
53
62
81
88
89
70
88
89
90
89
82
95
94
87
79
86
36
11
3
13
4
16

Low Clouds (% Sky Obscured)

55
61
57
55
64
50
26
25
75
78
84
80
75
89
55
74
71
70
36
11
2
15
2
20

Medium Clouds (% Sky Obscured)

3
8
17
16
23
74
75
50
20
11
0
2
0
27
35
25
25
27
2
0
0
0
0
0

High Clouds (% Sky Obscured)

6
8
4
6
4
7
6
24
14
75
68
5
2
4
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
1
2
3
3
2
1
0
0
3
12
11
1
0
0
1
2
1
1
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
5
6
6
6
6
6
7
9
10
12
13
13
13
14
14
13
13
12
11
8
7
6
6

Chance of Frost

Temperature (°C)

3
3
3
3
3
3
3
3
5
6
7
8
9
9
10
10
10
10
9
8
6
5
4
3

Feels Like (°C)

1
1
1
1
0
-0
-1
-1
1
2
3
3
3
4
5
4
5
5
5
5
4
3
2
2

Dew Point (°C)

1
1
2
2
2
2
1
1
2
2
3
2
3
1
2
2
3
3
3
3
3
3
3
2

Relative Humidity (%)

88
89
89
89
91
89
88
85
80
76
75
68
65
57
58
59
60
62
68
73
81
88
91
93

Pressure (mb)

1030
1030
1030
1030
1030
1030
1030
1031
1031
1031
1031
1031
1031
1031
1031
1031
1031
1031
1031
1031
1031
1032
1032
1032

Ozone (du)

391
392
391
393
393
392
392
392
393
394
395
395
396
399
402
406
410
414
417
421
423
426
424
425

Monday 22

Waxing Gibbous 98%

18:46

05:18

00 OK
01 OK
02 Bad
03 Bad
04 OK
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 05:45, Set: 20:11, Transit: 12:58. Moon - Rise: 18:46, Set: 05:18. Civil Dark: 20:48 - 05:08. Nautical Dark: 21:36 - 04:20. Astro Dark: 22:33 - 03:24

Total Clouds (% Sky Obscured)

24
33
50
46
28
73
90
93
96
98
100
100
100
99
99
99
99
99
99
91
82
70
63
58

Low Clouds (% Sky Obscured)

26
33
47
41
24
50
51
52
50
57
70
72
71
71
73
73
77
80
85
76
68
62
63
63

Medium Clouds (% Sky Obscured)

0
2
2
2
0
0
1
43
69
86
94
95
99
98
97
97
96
96
95
72
48
30
30
30

High Clouds (% Sky Obscured)

0
0
4
7
4
77
86
88
91
84
94
95
95
88
85
85
85
80
80
75
4
35
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
9
9
9
7
5
5
7
8
8

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
3
17
5
20
23
41
47
57
66
73
67
57
49
50

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.4
0.3
0.2
0
0

Wind Speed/Direction (mph)

5
5
5
4
5
5
5
5
6
7
8
8
8
8
9
9
9
9
8
8
7
6
5
5

Chance of Frost

Temperature (°C)

3
2
2
2
2
2
2
3
4
6
7
8
8
9
9
8
8
7
6
6
5
5
5
4

Feels Like (°C)

1
1
0
-1
-0
0
-2
-1
2
3
4
5
6
6
6
5
4
4
3
3
4
4
3
3

Dew Point (°C)

2
1
1
1
1
1
1
1
2
2
3
3
2
2
2
3
5
6
5
5
5
5
4
4

Relative Humidity (%)

93
93
94
94
94
94
94
91
85
79
73
69
64
63
63
69
81
90
93
96
98
96
96
96

Pressure (mb)

1032
1032
1032
1032
1031
1031
1031
1031
1031
1031
1030
1030
1029
1029
1028
1027
1027
1027
1026
1026
1026
1026
1025
1025

Ozone (du)

425
423
421
420
420
418
418
417
417
419
421
421
421
422
425
426
427
428
428
427
426
426
427
430

Tuesday 23

Waxing Gibbous 100%

20:00

05:28

00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 05:43, Set: 20:13, Transit: 12:58. Moon - Rise: 20:00, Set: 05:28. Civil Dark: 20:50 - 05:05. Nautical Dark: 21:38 - 04:17. Astro Dark: 22:36 - 03:20

Total Clouds (% Sky Obscured)

59
57
63
68
63
59
55
50
44
38
58
78
97
89
81
76
81
94
100
90
83
95
91
86

Low Clouds (% Sky Obscured)

64
68
72
75
70
67
66
60
55
51
61
74
88
84
80
75
52
35
15
33
54
73
61
48

Medium Clouds (% Sky Obscured)

3
19
25
24
20
16
0
0
0
0
4
8
12
8
4
0
23
46
65
59
54
49
56
57

High Clouds (% Sky Obscured)

0
0
2
4
0
0
0
0
0
0
9
15
23
20
11
3
15
24
29
21
45
82
81
81

ISS Passover

Visibility (miles)

9
2
6
0
0
0
0
0
9
9
9
9
4
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

48
60
55
52
44
26
5
3
2
4
19
26
16
5
10
1
3
14
5
3
1
0
3
3

Precipitation Amount (mm)

0
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
4
5
5
6
6
5
5
7
9
10
10
10
9
9
9
9
8
8
8
6
4
3
3

Chance of Frost

Temperature (°C)

4
3
3
3
2
2
3
3
4
5
7
8
8
9
10
10
10
9
9
8
6
5
5
4

Feels Like (°C)

2
2
1
0
-1
-2
-1
-0
0
2
3
4
4
5
5
5
6
6
5
3
3
2
1
1

Dew Point (°C)

3
3
3
3
2
2
2
2
3
4
4
3
2
1
-0
0
1
1
3
2
2
2
1
1

Relative Humidity (%)

96
96
96
98
98
96
98
96
91
90
85
74
65
59
50
50
52
56
64
69
75
78
78
79

Pressure (mb)

1025
1024
1024
1024
1024
1024
1024
1024
1025
1025
1025
1025
1025
1024
1024
1024
1023
1023
1023
1023
1023
1024
1024
1023

Ozone (du)

433
433
430
426
424
428
430
424
418
416
415
413
411
410
408
406
404
401
398
397
396
395
395
396

Wednesday 24

Full Moon 100%

21:17

05:39

00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 05:41, Set: 20:14, Transit: 12:58. Moon - Rise: 21:17, Set: 05:39. Civil Dark: 20:52 - 05:03. Nautical Dark: 21:41 - 04:15. Astro Dark: 22:39 - 03:17

Total Clouds (% Sky Obscured)

77
79
86
92
94
97
99
99
99
99
97
96
95
97
98
100
89
79
63
69
77
84
78
72

Low Clouds (% Sky Obscured)

35
37
41
46
55
63
70
74
81
88
82
75
69
78
88
99
87
75
66
71
74
78
70
64

Medium Clouds (% Sky Obscured)

46
54
67
78
83
89
95
89
85
81
79
80
79
66
51
34
24
14
4
7
10
12
9
5

High Clouds (% Sky Obscured)

73
51
30
15
26
32
38
46
54
58
63
69
75
64
62
66
50
25
0
13
24
34
42
50

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

1
7
8
7
6
4
0
7
10
11
15
16
17
19
23
27
30
33
36
31
26
20
17
14

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
5
6
7
8
8
8
7
8
9
11
10
10
10
10
10
10
9
8
7
6
6
5
5

Chance of Frost

Temperature (°C)

4
4
4
4
4
4
3
3
5
6
8
8
9
9
9
9
10
9
9
8
8
7
6
5

Feels Like (°C)

2
2
2
2
1
0
-1
-2
1
1
2
2
2
3
6
6
6
6
7
7
6
5
5
5

Dew Point (°C)

0
0
0
-0
-0
0
0
1
2
3
4
3
3
2
3
3
4
4
5
6
6
5
5
4

Relative Humidity (%)

76
77
76
76
76
77
80
83
80
78
77
71
67
62
63
64
66
72
78
82
87
88
93
91

Pressure (mb)

1023
1023
1022
1022
1022
1021
1021
1021
1021
1020
1020
1020
1020
1019
1019
1018
1018
1017
1017
1017
1017
1016
1016
1016

Ozone (du)

396
397
396
396
396
396
397
398
398
398
398
398
398
399
400
401
402
402
401
400
401
401
402
402

Thursday 25

Waning Gibbous 99%

22:36

05:54

00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 05:39, Set: 20:16, Transit: 12:58. Moon - Rise: 22:36, Set: 05:54. Civil Dark: 20:54 - 05:01. Nautical Dark: 21:43 - 04:12. Astro Dark: 22:42 - 03:13

Total Clouds (% Sky Obscured)

67
70
71
76
69
62
59
61
65
72
79
85
91
94
96
98
90
80
69
77
85
91
94
96

Low Clouds (% Sky Obscured)

60
62
61
61
51
41
35
39
40
41
54
68
81
84
88
91
82
74
72
73
74
74
72
72

Medium Clouds (% Sky Obscured)

2
11
17
25
29
28
28
25
26
31
41
50
63
69
73
78
63
48
34
49
69
84
88
91

High Clouds (% Sky Obscured)

60
45
40
42
46
54
58
69
77
85
79
77
71
58
54
50
40
40
40
45
55
60
62
64

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
8
8
8
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

9
7
5
4
3
2
0
1
1
0
11
16
20
25
29
31
30
30
30
27
25
22
20
16

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
5
5
5
5
5
5
5
6
6
7
7
7
7
7
7
7
5
4
3
2
1
3
3

Chance of Frost

Temperature (°C)

5
4
4
4
3
4
4
4
5
7
8
9
9
10
10
11
11
11
11
10
9
8
7
7

Feels Like (°C)

5
5
0
0
0
0
0
-0
1
2
2
3
4
6
7
7
8
8
8
8
7
8
8
7

Dew Point (°C)

3
3
2
2
2
3
3
3
3
4
5
6
6
7
6
6
5
5
6
7
6
6
6
6

Relative Humidity (%)

91
91
91
91
91
93
93
93
88
84
81
80
78
80
73
69
64
68
74
78
81
87
91
91

Pressure (mb)

1016
1015
1015
1014
1014
1014
1014
1013
1013
1013
1013
1013
1013
1012
1012
1011
1011
1011
1011
1011
1011
1011
1011
1011

Ozone (du)

402
402
402
402
402
404
405
406
407
407
408
408
409
410
410
411
412
411
411
410
411
411
412
414

Forecast for Bourn, Cambridgeshire, United Kingdom (52.20,-0.05)

Generated: 19/04/24 10:02:47. Forecast: 19/04/24 to 25/04/24. Timezone: UTC+1.00